Monday, 4 July 2016

LOGARITHMS 4


If Logay = Loga6 +  Loga11 ; find y.

solution

Logay = Loga6 +  Loga11

Logay = Loga(6 x 11)    [since Logam +  Logan = Loga(m x n)] 

Logay = Loga66

Hence y = 66    [since Loga cancels out]

TRY THIS..............................

NECTA 1997 QN 13a


If Logax = Loga5 +  Loga3 ; find x.

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